OwlCyberSecurity - MANAGER
Edit File: uploadhandler.cpython-39.pyc
a ���e � @ s� d Z ddlZddlmZ ddlmZ ddlmZmZ ddl m Z g d�Z G dd � d e �Z G d d � d e �ZG d d � d e �ZG dd� de �ZG dd� d�ZG dd� de�ZG dd� de�Zdd� ZdS )zH Base file upload handler classes, and the built-in concrete subclasses � N)�BytesIO)�settings)�InMemoryUploadedFile�TemporaryUploadedFile�� import_string)�UploadFileException� StopUpload�SkipFile�FileUploadHandler�TemporaryFileUploadHandler�MemoryFileUploadHandler� load_handler�StopFutureHandlersc @ s e Zd ZdZdS )r z6 Any error having to do with uploading files. N��__name__� __module__� __qualname__�__doc__� r r �`/home/gouroczh/virtualenv/pat/3.9/lib/python3.9/site-packages/django/core/files/uploadhandler.pyr s r c @ s" e Zd ZdZddd�Zdd� ZdS ) r z= This exception is raised when an upload must abort. Fc C s || _ dS )z� If ``connection_reset`` is ``True``, Django knows will halt the upload without consuming the rest of the upload. This will cause the browser to show a "connection reset" error. N��connection_reset)�selfr r r r �__init__$ s zStopUpload.__init__c C s | j r dS dS d S )Nz StopUpload: Halt current upload.z,StopUpload: Consume request data, then halt.r �r r r r �__str__, s zStopUpload.__str__N)F)r r r r r r r r r r r s r c @ s e Zd ZdZdS )r zX This exception is raised by an upload handler that wants to skip a given file. Nr r r r r r 3 s r c @ s e Zd ZdZdS )r z� Upload handlers that have handled a file and do not want future handlers to run should raise this exception instead of returning None. Nr r r r r r ; s r c @ sR e Zd ZdZdZddd�Zddd�Zddd �Zd d � Zd d � Z dd� Z dd� Z dS )r z3 Base class for streaming upload handlers. i Nc C s( d | _ d | _d | _d | _d | _|| _d S �N)� file_name� content_type�content_length�charset�content_type_extra�request)r r# r r r r K s zFileUploadHandler.__init__c C s dS )a� Handle the raw input from the client. Parameters: :input_data: An object that supports reading via .read(). :META: ``request.META``. :content_length: The (integer) value of the Content-Length header from the client. :boundary: The boundary from the Content-Type header. Be sure to prepend two '--'. Nr �r Z input_dataZMETAr �boundary�encodingr r r �handle_raw_inputS s z"FileUploadHandler.handle_raw_inputc C s( || _ || _|| _|| _|| _|| _dS )z� Signal that a new file has been started. Warning: As with any data from the client, you should not trust content_length (and sometimes won't even get it). N)� field_namer r r r! r" )r r( r r r r! r" r r r �new_fileg s zFileUploadHandler.new_filec C s t d��dS )z{ Receive data from the streamed upload parser. ``start`` is the position in the file of the chunk. zJsubclasses of FileUploadHandler must provide a receive_data_chunk() methodN��NotImplementedError�r �raw_data�startr r r �receive_data_chunk} s �z$FileUploadHandler.receive_data_chunkc C s t d��dS )z� Signal that a file has completed. File size corresponds to the actual size accumulated by all the chunks. Subclasses should return a valid ``UploadedFile`` object. zEsubclasses of FileUploadHandler must provide a file_complete() methodNr* �r � file_sizer r r � file_complete� s �z FileUploadHandler.file_completec C s dS )z� Signal that the upload is complete. Subclasses should perform cleanup that is necessary for this handler. Nr r r r r �upload_complete� s z!FileUploadHandler.upload_completec C s dS )z� Signal that the upload was interrupted. Subclasses should perform cleanup that is necessary for this handler. Nr r r r r �upload_interrupted� s z$FileUploadHandler.upload_interrupted)N)N)NN) r r r r � chunk_sizer r' r) r/ r2 r3 r4 r r r r r D s � � r c s8 e Zd ZdZ� fdd�Zdd� Zdd� Zdd � Z� ZS ) r zA Upload handler that streams data into a temporary file. c s0 t � j|i |�� t| j| jd| j| j�| _dS )zK Create the file object to append to as data is coming in. r N)�superr) r r r r! r" �file�r �args�kwargs�� __class__r r r) � s �z#TemporaryFileUploadHandler.new_filec C s | j �|� d S r )r7 �writer, r r r r/ � s z-TemporaryFileUploadHandler.receive_data_chunkc C s | j �d� || j _| j S )Nr )r7 �seek�sizer0 r r r r2 � s z(TemporaryFileUploadHandler.file_completec C sD t | d�r@| j�� }z| j�� t�|� W n ty> Y n0 d S )Nr7 )�hasattrr7 Ztemporary_file_path�close�os�remove�FileNotFoundError)r Z temp_locationr r r r4 � s z-TemporaryFileUploadHandler.upload_interrupted) r r r r r) r/ r2 r4 � __classcell__r r r; r r � s r c s: e Zd ZdZd dd�Z� fdd�Zdd� Zd d � Z� ZS ) r zS File upload handler to stream uploads into memory (used for small files). Nc C s |t jk| _dS )zf Use the content_length to signal whether or not this handler should be used. N)r ZFILE_UPLOAD_MAX_MEMORY_SIZE� activatedr$ r r r r' � s z(MemoryFileUploadHandler.handle_raw_inputc s* t � j|i |�� | jr&t� | _t� �d S r )r6 r) rF r r7 r r8 r; r r r) � s z MemoryFileUploadHandler.new_filec C s | j r| j�|� n|S dS )z!Add the data to the BytesIO file.N)rF r7 r= r, r r r r/ � s z*MemoryFileUploadHandler.receive_data_chunkc C s8 | j s dS | j�d� t| j| j| j| j|| j| jd�S )z2Return a file object if this handler is activated.Nr )r7 r( �namer r? r! r" ) rF r7 r> r r( r r r! r" r0 r r r r2 � s �z%MemoryFileUploadHandler.file_complete)N) r r r r r' r) r/ r2 rE r r r; r r � s � r c O s t | �|i |��S )al Given a path to a handler, return an instance of that handler. E.g.:: >>> from django.http import HttpRequest >>> request = HttpRequest() >>> load_handler( ... 'django.core.files.uploadhandler.TemporaryFileUploadHandler', ... request, ... ) <TemporaryFileUploadHandler object at 0x...> r )�pathr9 r: r r r r � s r )r rB �ior Z django.confr Z django.core.files.uploadedfiler r Zdjango.utils.module_loadingr �__all__� Exceptionr r r r r r r r r r r r �<module> s \ .